Following a panel discussion about the hackathon brief between Gemma Ebelis, head of press at the British Fashion Council, Jen Rubio, global head of innovation at All Saints, and Alexander Giantsis, head of sales at Mary Katrantzou, hackers get into teams and commence hacking. Photograph: Dan Taylor/Heisenberg Media

The judges discuss which five teams will make it through to the next round. The overall, to be announced at the Decoded Fashion summit on Tuesday, will be flown out to San Fransico by All Saints to meet top tech and retail industry players. Photograph: Dan Taylor/Heisenberg Media